Home / 401,130,579.46-553,356,472.72-261,982,791.94

Finding the Fourth Proportional to 401,130,579.46, 553,356,472.72 and 261,982,791.94

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Solution

The fourth proportional to 401,130,579.46, 553,356,472.72 and 261,982,791.94 is: 361,403,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,130,579.46 : 553,356,472.72 = 261,982,791.94 : x
  2. Step 2: Convert to fraction form
    401,130,579.46/553,356,472.72 = 261,982,791.94/x
  3. Step 3: Cross multiply
    401,130,579.46x = 553,356,472.72 × 261,982,791.94
  4. Step 4: Simplify right side
    401,130,579.46x = 144,969,873,661,256,064
  5. Step 5: Solve for x
    x = 144,969,873,661,256,064/401,130,579.46
  6. Step 6: Final answer
    x = 361,403,196.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.